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A well-preserved isolated graptolite Prolinograptus packhami Rickards and Wright, 1997, well known from Australia, is described for the first time in Europe. The genus has now been recognized in three continents (Australia, Europe and North America). The Australian P. packhami occurs in the Neocucullograptus inexpectatus/Neocucullograptus kozlowskii biozonal interval, while the form from the Mielnik...
The Rheic Ocean was a major oceanic domain between Baltica, Laurentia, Perunica and Gondwana in Ordovician-Silurian times. The cosmopolitan nepiomorphian bivalves Praecardioidei Newell, 1965 and Antipleuroidei Kříž, 2007 are characteristic of the Silurian of Perunica, peri-Gondwana, and Baltica, and occur also in Laurentia and Siberia. The Bohemian-type bivalve Cardiolinka Kříž, 1981 (Nepiomorphia...
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